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School and class closures and adolescent mental health during the second and later waves of the COVID-19 pandemic in Finland: a repeated cross-sectional study by Arja Rimpelä, Heidi Kesanto-Jokipolvi, Anna Myöhänen, Lauri Heikonen, Sanna Oinas, Raisa Ahtiainen
Published 2023Connect to this object online.
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